Matilda suffers from a rare disease that has given her eyes an otherworldly look.

A photo posted by Matilda (@aliencatmatilda) on

Nicknamed "The Alien Cat," Matilda is a lovely rescue with strikingly huge, dark eyes. However, the adorable visitor from Planet Litterbox used to look more like an Earth cat.

A photo posted by Matilda (@aliencatmatilda) on

Matilda was saved as a kitten from an animal hoarder. Soon after moving into a new home, Matilda's adoptive parents noticed their little kitten would squint a lot, seemingly in pain. Then Matilda's right eye started to look different from the left.

Sources: BuzzFeed